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401 Network & Security courses

Securing Linux systems

5.0(3)

By Systems & Network Training

Securing Linux systems training course description This course teaches you everything you need to know to build a safe Linux environment. The first section handles cryptography and authentication with certificates, openssl, mod_ssl, DNSSEC and filesystem encryption. Then Host security and hardening is covered with intrusion detection, and also user management and authentication. Filesystem Access control is then covered. Finally network security is covered with network hardening, packet filtering and VPNs. What will you learn Secure Linux accounts. Secure Linux file systems. Secure Linux access through the network. Securing Linux systems training course details Who will benefit: Linux technical staff needing to secure their systems. Prerequisites: Linux system administration (LPIC-1) Duration 5 days Securing Linux systems training course contents Cryptography Certificates and Public Key Infrastructures X.509 certificates, lifecycle, fields and certificate extensions. Trust chains and PKI. openssl. Public and private keys. Certification authority. Manage server and client certificates. Revoke certificates and CAs. Encryption, signing and authentication SSL, TLS, protocol versions. Transport layer security threats, e.g. MITM. Apache HTTPD with mod_ssl for HTTPS service, including SNI and HSTS. HTTPD with mod_ssl to authenticate users using certificates. HTTPD with mod_ssl to provide OCSP stapling. Use OpenSSL for SSL/TLS client and server tests. Encrypted File Systems Block device and file system encryption. dm-crypt with LUKS to encrypt block devices. eCryptfs to encrypt file systems, including home directories and, PAM integration, plain dm-crypt and EncFS. DNS and cryptography DNSSEC and DANE. BIND as an authoritative name server serving DNSSEC secured zones. BIND as an recursive name server that performs DNSSEC validation, KSK, ZSK, Key Tag, Key generation, key storage, key management and key rollover, Maintenance and resigning of zones, Use DANE. TSIG. Host Security Host Hardening BIOS and boot loader (GRUB 2) security. Disable useless software and services, sysctl for security related kernel configuration, particularly ASLR, Exec-Shield and IP / ICMP configuration, Exec-Shield and IP / ICMP configuration, Limit resource usage. Work with chroot environments, Security advantages of virtualization. Host Intrusion Detection The Linux Audit system, chkrootkit, rkhunter, including updates, Linux Malware Detect, Automate host scans using cron, AIDE, including rule management, OpenSCAP. User Management and Authentication NSS and PAM, Enforce password policies. Lock accounts automatically after failed login attempts, SSSD, Configure NSS and PAM for use with SSSD, SSSD authentication against Active Directory, IPA, LDAP, Kerberos and local domains, Kerberos and local domains, Kerberos tickets. FreeIPA Installation and Samba Integration FreeIPA, architecture and components. Install and manage a FreeIPA server and domain, Active Directory replication and Kerberos cross-realm trusts, sudo, autofs, SSH and SELinux integration in FreeIPA. Access Control Discretionary Access Control File ownership and permissions, SUID, SGID. Access control lists, extended attributes and attribute classes. Mandatory Access Control TE, RBAC, MAC, DAC. SELinux, AppArmor and Smack. etwork File Systems NFSv4 security issues and improvements, NFSv4 server and clients, NFSv4 authentication mechanisms (LIPKEY, SPKM, Kerberos), NFSv4 pseudo file system, NFSv4 ACLs. CIFS clients, CIFS Unix Extensions, CIFS security modes (NTLM, Kerberos), mapping and handling of CIFS ACLs and SIDs in a Linux system. Network Security Network Hardening FreeRADIUS, nmap, scan methods. Wireshark, filters and statistics. Rogue router advertisements and DHCP messages. Network Intrusion Detection ntop, Cacti, bandwidth usage monitoring, Snort, rule management, OpenVAS, NASL. Packet Filtering Firewall architectures, DMZ, netfilter, iptables and ip6tables, standard modules, tests and targets. IPv4 and IPv6 packet filtering. Connection tracking, NAT. IP sets and netfilter rules, nftables and nft. ebtables. conntrackd Virtual Private Networks OpenVPN server and clients for both bridged and routed VPN networks. IPsec server and clients for routed VPN networks using IPsec-Tools / racoon. L2TP.

Securing Linux systems
Delivered in Internationally or OnlineFlexible Dates
£3,697

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Educators matching "Network & Security"

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Nemstar Ltd

nemstar ltd

5.0(12)

Belfast

NEMSTAR INFORMATION SECURITY? Nemstar is a specialist in Information Security & Cyber Training with over 25 years' industry experience. The company was founded by Sean Hanna, four times winner of the EC Council's global cyber security trainer of the year. Based in Belfast, Northern Ireland, Nemstar delivers world class training across the UK, Ireland and internationally. NEMSTAR HAVE BEEN TRUSTED BY A WIDE RANGE OF LOYAL CUSTOMERS PROVIDING LEARNING SOLUTIONS THAT WORK. NEMSTAR IS & CYBER SECURITY TRAINING [https://www.youtube.com/watch?v=OVVbEiukYKs] > “There is a wide spectrum of information security knowledge that is required > to ensure security. These range from the ability to call out risk in the > Boardroom to the ethical hacking of intricate data systems. It is my mission > to broaden these skills needed in the workplace and to create opportunities > for people in this area.” Sean Hanna We offer a comprehensive range of learning solutions from foundation to advanced masterclasses in ethical hacking, most leading to globally recognised industry certifications. Our experts work closely with customers to build the trust, respect and partnership required to deliver world-class Information Security and Cyber Training. Our intensive, lab-based approach to learning has certified and enhanced the careers of thousands of cyber professionals. We only use industry leading experts with a wealth of consulting experience to lead a Nemstar training event, ensuring the best possible learning outcomes and highest quality delivery. We are an Accredited Training Centre for EC Council [https://www.eccouncil.org/], meeting their strict standards of excellence for delivering instructor-led training using our ISO 9001 [https://www.iso.org/iso-9001-quality-management.html] compliant quality systems. Nemstar is dedicated to delivering an expert, tailored service to everyone we work with and our services can be tailored to meet your needs, budget and timescales.